One usage of swap in modern systems: hibernation. If you need to use hibernation, that means a swap must exists, either as a swapfile (pre-allocated, as uswsus

One usage of swap in modern systems: hibernation. If you need to use hibernation, that means a swap must exists, either as a swapfile (pre-allocated, as uswsusp require a fixed offset on the disk to resume) or as a partition.